Migration Hub task failures.

AWS Migration Hub task failures can occur during the process of migrating your applications and data to the AWS cloud. Here are some common causes and steps to address Migration Hub task failures:

1. Check Migration Hub Console:
   • Navigate to the AWS Migration Hub console and review the status of your migration tasks. Look for any tasks that have failed and investigate the specific error messages.
2. Review Task Details:
   • Drill down into the details of the failed task to get more information about the cause of the failure. Look for error codes, descriptions, and related resources.
3. Verify Source and Target Configurations:
   • Ensure that both the source and target configurations are set up correctly for the migration. This includes network settings, permissions, and resource configurations.
4. Check Resource Availability:
   • Confirm that the necessary resources (e.g., EC2 instances, databases) in both the source and target environments are available and properly configured.
5. Verify IAM Permissions:
   • Ensure that the IAM roles and permissions associated with the migration task have the necessary privileges to access and perform operations on the source and target resources.
6. Review Data Integrity and Format:
   • Check that the data being migrated is in the correct format and is not corrupted. Use validation tools to verify data integrity.
7. Check for Resource Limits:
   • Verify that you're not exceeding any AWS service limits that might be affecting the migration.
8. Monitor for AWS Service Health Issues:
   • Check the AWS Service Health Dashboard for any reported issues with the services involved in the migration.
9. Verify Agent or Tool Configuration:
   • If you're using migration tools or agents, review their configuration settings to ensure they are correctly configured for the task.
10. Handle Rollbacks and Cleanup:
    • If the migration task partially succeeded or failed, consider implementing rollback procedures to revert to the previous state and clean up any resources created during the migration.
11. Review Application Compatibility:
    • Ensure that the applications being migrated are compatible with the target environment. This includes checking for dependencies, version compatibility, and any required configurations.
12. Test Migration in Staging Environment:
    • Consider testing the migration process in a staging environment before performing it in production to identify and address any potential issues.
13. Contact AWS Support:
    • If you've gone through these steps and are still experiencing task failures, consider reaching out to AWS Support for further assistance.

Remember to also refer to the AWS Migration Hub documentation and best practices for guidance specific to your migration scenario.